元素V对镍基柱状晶合金显微组织和高温蠕变性能的影响

于兴福, 周金华, 吴玉超, 杨月, 王宇飞, 满延林, 黄爱华

Effect of V on Microstructure and High Temperature Creep Properties of Diretional Solidified Nickel-base Superalloys

YU Xingfu, ZHOU Jinhua, WU Yuchao, YANG Yue, WANG Yufei, MAN Yanlin, HUANG Aihua

表2 合金中各相的化学成分

Table 2 Chemical composition of phases in the alloy (%, mass fraction)

Co Cr Ti Al Mo V Ni Alloy1 Rod like carbide 10.68 9.97 6.94 4.45 4.48 0.56 Bal. Bulk like carbide 0.09 2.24 57.1 -- 32.8 4.60 Bal. Matrix 11.03 9.26 4.66 4.36 2.16 0.36 Bal. Alloy3 Bulk like carbide -- 1.87 66.5 -- 21.8 6.96 Bal. Matrix 10.60 8.92 4.95 4.76 2.83 0.79 Bal.